Cradle Balance Steel Balls Perpetual Motion Collision Ball School Teaching Physics Science Pendulum Home Decoration

Features: Not only demonstrates a pendulum, but also shows the laws of conservation of momentum and energy. Includes steel balls, plastic frames and base. Often used as a toy. Easy to install and uninstall. High class material and has very good apperance. Pendulum ball. Specification： Shape: Geometric Size:90*76*92mm Material: Metal, ABS Color:as shown Occasions: Office, Home, Table Desk Notes: 1.Due to the light and screen setting difference, the item's color may be slightly different from the pictures.

2.Please allow slight dimension difference due to different manual measurement.

Package Contents:1 x pendulum ball

Package Content:1 x Cradle Balance Ball